Who experimentally proved that all cells come from pre-existing cells (theory of Virchow)?
a) Mathias Schleiden
b) Louis Pasteur
c) Theoder Schwann
d) Evangelista Purkinje
Explanation of Cell theory:
Which of the following is/are Sub-cellular particles?
a) Viruses
b) Prions
c) Viroids
d) all of these
The living
organism like characters of virus is/are…..
a) transmit their character to next generation
b) possesses DNA or RNA and protein
c) they reproduce
d) all of these
The non livelong characters of virus is/are…
a) they are not composed of cell
b) they can be crystallized
c) they are inactive outside living cell
d) all of these
Viroids are made up of……
a) protein
b) DNA
c) RNA
d) all of these